diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/mmc/host/s3cmci.c | 9 |
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index cf6a6545240..432ae8358c8 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -276,6 +276,13 @@ config MMC_S3C If unsure, say N. +config MMC_S3C_HW_SDIO_IRQ + bool "Hardware support for SDIO IRQ" + depends on MMC_S3C + help + Enable the hardware support for SDIO interrupts instead of using + the generic polling code. + choice prompt "Samsung S3C SD/MMC transfer code" depends on MMC_S3C diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 0af972275d4..4b627ca16cc 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -1715,7 +1715,11 @@ static int __devinit s3cmci_probe(struct platform_device *pdev) mmc->ops = &s3cmci_ops; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; +#ifdef CONFIG_MMC_S3C_HW_SDIO_IRQ mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; +#else + mmc->caps = MMC_CAP_4_BIT_DATA; +#endif mmc->f_min = host->clk_rate / (host->clk_div * 256); mmc->f_max = host->clk_rate / host->clk_div; @@ -1750,8 +1754,9 @@ static int __devinit s3cmci_probe(struct platform_device *pdev) s3cmci_debugfs_attach(host); platform_set_drvdata(pdev, mmc); - dev_info(&pdev->dev, "%s - using %s\n", mmc_hostname(mmc), - s3cmci_host_usedma(host) ? "dma" : "pio"); + dev_info(&pdev->dev, "%s - using %s, %s SDIO IRQ\n", mmc_hostname(mmc), + s3cmci_host_usedma(host) ? "dma" : "pio", + mmc->caps & MMC_CAP_SDIO_IRQ ? "hw" : "sw"); return 0; |